Kiichiro Katayama

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Patents Grantslast 30 patents

Information Patent Grant
Method for forming insulating films on electromagnetic steel plates
- Patent number 4,844,753
- Issue date Jul 4, 1989
- Nisshin Steel Co. Ltd.
- Kiichiro Katayama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Compositions for forming insulating films on electromagnetic steel...
- Patent number 4,830,877
- Issue date May 16, 1989
- Nisshin Steel Co., Ltd.
- Kiichiro Katayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Aluminum coated steel sheet and process for producing the same
- Patent number 4,546,051
- Issue date Oct 8, 1985
- Nisshin Steel Co., Ltd.
- Yukio Uchida
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for partial hot dipping of steel strips
- Patent number 4,505,760
- Issue date Mar 19, 1985
- Hitachi, Ltd.
- Masahiko Itoh
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...